The Tongyeong-class has a total tonnage of 3500 tons and a length of 107.5m with a width of 16.8m. Their maximum speed is up to 21 knots (about 39 km/h).
Decompression chamber: 2
decompression chambers capable of accommodating up to 8 people (including surgeons) so that divers (SSUs) can perform rescue missions at a depth of 90m.
Flight deck for take-off and landing of medium-sized helicopters.
Equipped with automatic ship retaining device (thrust, propeller) on the bow and stern, it can rotate 360 degrees in place.
ROV mounted - ROV, which was not present in the old
Pyeongtaek-class salvage and rescue ships, was installed. It was decided to mount the same model, the Celling Robotics HD ROV, on the Gwangyang. The ROV of the Tongyeong is capable of operating up to 3 km below the sea floor, which is too deep for humans to bear, and is equipped with two robot arms, nine cameras, and a cutter. It weighs 3.5 tons, has a maximum speed of 3 knots, and has a lifting capacity of about 250 kg.
90 m divers support equipment - The air hose allows divers to perform long-term rescue operations at 90 m underwater.